High Resolution 640*480 Colored Camera for driving record (Video and audio) and reserveing important documentsHigh sensitivity SiRF 3GPS for navigation system and recording GPS LocationUltra power-saving function, navigation and video can be used simultaneously for 4 hours, only camera available for nearly 12 hoursMute function selectionCamera can be laterally adjusted.Can play the travel recorded video/audio/locations/date/time/speed in Google map.Auto record and cover the oldest file when the memory card in full status.The optional tire pressure detection sensor can be used for more than 7 years (normal use) according to the United States/Japan/European safery standards.Tire pressure monitoring receiver can be used alone and provide unusual warning.